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Bustamite: Measurement, Type locality & Environment

Bustamite is a calcium manganese inosilicate (chain silicate) and a member of the wollastonite group. Magnesium, zinc and iron are common impurities substituting for manganese. Bustamite is the high-temperature polymorph of CaMnSi2O6 and johannsenite is the low temperature polymorph. The inversion takes place at 830 °C (1,530 °F), but may be very…

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Bustamite topic overview

The analysis highlights Measurement, Type locality and Environment as prominent areas in the source structure around Bustamite.

Related topics
29
Source areas
4
Connected nodes
33
Extracted relationships
51
Concept neighborhoods
15
Bridge connections
33

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Type locality · 13 topics
Environment · 8 topics
Overview · 5 topics
Cell parameters · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Birefringence
δ = 0.013 – 0.015 Dispersion r < v weak to strong
Category
Inosilicate
Cleavage
{100} perfect; {110} and {110} good; {010} poor
Color
Light pink to brownish red Pink color fades on exposure to sunlight
Crystal class
Pinacoidal 1 (same H-M symbol)
Crystal habit
Usually tabular or equant to prismatic; commonly massive, often compact and fibrous

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Cell parameters

Type locality

Environment

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Bustamite connects Entity context

The extracted context around Bustamite shows recurring relationship patterns in the source. For example, Bustamite → Both, Franklin, Franklin Mine, Jonotla, José María Bustamante, Mexican, Mexico, Mexico Mining Seminary, New Jersey, Puebla, Septiem, Sussex County, Tetela, The, US, Vesuvianite Another extracted example is Bustamite → At, Cambrian, Franklin, Franklin Marble, In Cambrian-Ordovician, Precambrian, These. Use these groups to spot repeated connection types before inspecting the individual relationships.

Bustamite

Top relations

related to Type locality · 16
Bustamite → Both, Franklin, Franklin Mine, Jonotla, José María Bustamante, Mexican, Mexico, Mexico Mining Seminary, New Jersey, Puebla, Septiem, Sussex County, Tetela, The, US, Vesuvianite
related to Environment · 7
Bustamite → At, Cambrian, Franklin, Franklin Marble, In Cambrian-Ordovician, Precambrian, These
is a · 3
Bustamite → calcium manganese inosilicate, high-temperature polymorph of CaMnSi2O6 and johannsenite is the low temperature polymorph, triclinic mineral
related to Cell parameters · 2
Bustamite → A-centered, There
Birefringence · 1
Bustamite → δ = 0.013 – 0.015 Dispersion r v weak to strong
Category · 1
Bustamite → Inosilicate
Cleavage · 1
Bustamite → {100} perfect; {110} and {110} good; {010} poor
Color · 1
Bustamite → Light pink to brownish red Pink color fades on exposure to sunlight
Crystal class · 1
Bustamite → Pinacoidal 1 (same H-M symbol)
Crystal habit · 1
Bustamite → Usually tabular or equant to prismatic; commonly massive, often compact and fibrous

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

cell formula unit type franklin group manganese wollastonite johannsenite rhodonite locality inosilicate rocks galena new space biaxial references triclinic value

Bustamite relationships Subject–Predicate–Object triples

TTTA extracted 51 structured relationships around Bustamite. Examples in this analysis include Bustamite → Birefringence → δ = 0.013 – 0.015 Dispersion r < v weak to strong and Bustamite → Category → Inosilicate. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
BustamiteBirefringenceδ = 0.013 – 0.015 Dispersion r < v weak to strong1.00infobox
BustamiteCategoryInosilicate1.00infobox
BustamiteCleavage{100} perfect; {110} and {110} good; {010} poor1.00infobox
BustamiteColorLight pink to brownish red Pink color fades on exposure to sunlight1.00infobox
BustamiteCrystal classPinacoidal 1 (same H-M symbol)1.00infobox
BustamiteCrystal habitUsually tabular or equant to prismatic; commonly massive, often compact and fibrous1.00infobox
BustamiteCrystal systemTriclinic1.00infobox
BustamiteDana classification65.2.1.21.00infobox
BustamiteDiaphaneityTranslucent to transparent1.00infobox
BustamiteFormulaCaMn2+Si2O61.00infobox
BustamiteIMA symbolBst1.00infobox
BustamiteLusterVitreous1.00infobox
BustamiteMohs scale hardness5.5 to 6.51.00infobox
BustamiteOptical propertiesBiaxial (−), 2V=34° to 60°1.00infobox
BustamiteOther characteristicslattice: A B1 Specimens from the Franklin Mine are fluorescent red in longwave ultraviolet light. Not radioactive1.00infobox
BustamitePleochroismWeak, X and Z orange, Y rose1.00infobox
BustamiteRefractive indexnα = 1.640 – 1.695, nβ = 1.651 – 1.708, nγ = 1.653 – 1.7101.00infobox
BustamiteSolubilityPartly soluble in HCl.1.00infobox
BustamiteSpace groupI11.00infobox
BustamiteSpecific gravity3.32 to 3.43 (observed) 3.40 (calculated)1.00infobox
BustamiteStreakWhite1.00infobox
BustamiteStrunz classification9.DG.05 (10 ed) 8/F.18.40 (8 ed)1.00infobox
BustamiteTwinningRare. Simple twins with (110) as the composition plane1.00infobox
Bustamiteis acalcium manganese inosilicate0.90text
Bustamiteis ahigh-temperature polymorph of CaMnSi2O6 and johannsenite is the low temperature polymorph0.90text
Bustamiteis atriclinic mineral0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Bustamite bring nearby vocabulary together. In this analysis, examples include Could, Rhodonite and Wollastonite. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Bustamite
    • Could
    • Rhodonite
    • Wollastonite
    • Cell
    • Biaxial
    • Broken
    • Common
    • Galena
    • Hill
    • Inosilicate
    • Minerals
    • Parameters
  • bustamite
    • Could
    • Rhodonite
    • Wollastonite
    • Cell
    • Biaxial
    • Broken
    • Common
    • Galena
    • Hill
    • Inosilicate
    • Minerals
    • Parameters
  • unit cell
    • Unit
    • Formula
    • Parameters
    • References
    • Space
    • Group
    • Type
    • Triclinic
    • Broken
    • Could
    • Galena
    • Hill
  • cell parameters
    • Unit
    • Galena
    • Hill
    • Pink
    • References
    • Formula
    • Parameters
    • New
    • Space
    • Group
    • Locality
    • Type
  • type locality
    • Type
    • New
    • Puebla
    • Franklin
    • Galena
    • Hill
    • Parameters
    • Pink
    • Precambrian
    • References
    • Johannsenite
    • Rhodonite
  • franklin mine
    • New
    • Locality
    • Rocks
    • Type
    • Iron
    • Light
    • Minerals
    • Precambrian
    • Puebla
    • Red
    • Zinc
    • Johannsenite
  • inosilicate
    • Group
    • Broken
    • Galena
    • Hill
    • Light
    • Pink
    • Red
    • Triclinic
    • Manganese
    • Space
    • Wollastonite
    • Formula
  • wollastonite
    • Could
    • Inosilicate
    • May
    • Triclinic
    • Bustamite
    • Johannsenite
    • Manganese
    • Group
    • Unit
    • Cell

Connections between topic areas Semantic bridges

For Bustamite, one of the stronger structural bridges in this analysis connects Bustamite with Type locality. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
BustamiteType locality · splits 20 ⟂ 14
BustamiteEnvironment · splits 25 ⟂ 9
BustamiteOverview · splits 28 ⟂ 6
BustamiteCell parameters · splits 30 ⟂ 4

Map overview Semantic statistics

Bustamite

Nodes34
Edges33
Triples51
Avg. degree1.94
Density0.058824
Components1

Source & methodology

TTTA analyzes the structure around Bustamite to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement, Type locality & Environment, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Bustamite · EN edition · Analysis: TopicsToTalkAbout

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